| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] long period | 413 |
|
| 2 | [conj] [prep] [art] long | 362 |
|
| 3 | [conj] [prep] [art] period | 186 |
|
| 4 | [conj] [art] long period | 17 |
|
